He is behaving like an idiot.

Chlorine detonating gas is very dangerous, and it requires careful handling.

There are no aspirated consonants in Japanese.

An aspirated consonant is a sound that is pronounced with a strong exhalation.

Please put the letter in the post office box.

He packs his homemade jam into bottles.

Could you tell me your postal code?

Yesterday, we went to see a comedy performance of 'Nininbaori'.

He participated in many intercultural activities to overcome his xenophobia.

His xenophobic attitude lacks understanding towards a multicultural society.